/* Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *      http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.activiti.spring.test.servicetask;

import org.activiti.engine.delegate.BpmnError;
import org.activiti.engine.delegate.DelegateExecution;
import org.activiti.engine.delegate.JavaDelegate;

/**

 */
public class ThrowBpmnErrorDelegate implements JavaDelegate {

  public void execute(DelegateExecution execution) {
    Integer executionsBeforeError = (Integer) execution.getVariable("executionsBeforeError");
    Integer executions = (Integer) execution.getVariable("executions");
    if (executions == null) {
      executions = 0;
    }
    executions++;
    if (executionsBeforeError == null || executionsBeforeError < executions) {
      throw new BpmnError("23", "This is a business fault, which can be caught by a BPMN Error Event.");
    } else {
      execution.setVariable("executions", executions);
    }
  }

}
